USE OF PHTHALOCYANINE COMPOUNDS WITH ARYL OR HETARYL SUBSTITUENTS IN GAS SENSORS

摘要

The present invention relates to a gas sensor, wherein the active area of the sensor comprises at least one compound of the formulae (Ia) or (Ib) or a mixture thereof,where M, A, R^a and mare defined as described in the claims and the description. The invention further relates to a sensor system comprising a sensor chip having a plurality of said sensors and a method for sensing oxidizing gases.